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Door stopper

The times of slamming doors during draughts are definitely over!
Author: Maximilian, Milano
Online since: 08/02/2008, Number of visits: 587042
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Table of Contents

Door stopper on the door handle

Magnet Block Q-20-20-10 held in the door bumper
Magnet Block Q-20-20-10 held in the door bumper
Whenever when you air out your home, a door may slam shot at some point. If you would like to avoid that, I can show you how to make the most convenient door stopper of all times real fast.
You need only two of your amazing magnets: 1x Q-20-20-10-N and 1x pot magnet CSN-32.
First buy a typical door bumper made of vulcanized rubber, used to protect walls and furniture from a banging by hard door handles.
Position the bumper on the door handle so that the handle is still comfortable to use then insert the block magnet Q-20-20-10-N into the second loop. In this way, the magnet is held securely and cannot easily slip out of the loop.
Now open the door completely and determine the proper position for mounting the second magnet, the screw-on pot magnet CSN-32.
Use a power drill, wall plug and screw in the proper size. I used a wall plug with a diameter of 5mm, which is appropriate for any relatively hard wall. For weaker walls, I would suggest using a longer wall plug.
Door stopper sticking to the counterpart on the wall
This door stays open
From now on you can open your door comfortably and even without an additional door stopper it is practically impossible that the door can close again on it's own - unless there is a tornado :-)
Given the distance between the magnets created by the bumper, this combination of magnets is, in my opinion, perfect. I have also tried it with a CSN-40 pot magnet, but it was too strong for our situation. However, if your door was subjected to really strong winds, this might be a viable alternative.

Door stopper with pot magnet

Addition from customer B.B. (Switzerland):
In Switzerland alone, there are several thousand underground parking garage doors that are kept open with inconvenient and sometimes unsafe wooden wedges. We replaced those with magnetic door stoppers that are ready to go into mass production, which made our tenants very happy. The advantages are that you don't have to bend over and the door stopper can't disappear anymore. This solution requires an iron door frame of course.
All you need is an L-profile, a pot magnet with screw socket TCN-40 and a screw. We were able to fasten the magnet to the L-profile with a screw.
Another option is attaching a pot magnet with threaded stud GTN-40 to an L-profile with a nut.
I used a 4 mm TPU disc to protect the magnet from blows. I cut it out of a defect conveyor belt and attached it to the magnet with a double-sided adhesive tape. Rubber mats, foam rubber, gaskets, etc. can also be used for insulation. Just remember that the adhesive force is reduced by the insulation.

Articles used

Load...
Q-20-20-10-N Block magnet 20 x 20 x 10 mm, holds approx. 12 kg, neodymium, N42, nickel-plated
Q-20-20-10-N
Block magnet 20 x 20 x 10 mm, holds approx. 12 kg, neodymium, N42, nickel-plated
Q-20-20-10-N Block magnet 20 x 20 x 10 mm, holds approx. 12 kg, neodymium, N42, nickel-plated
1 pc. 5,79 EUR ea.*
from 3 pcs. 5,15 EUR ea.*
from 10 pcs. 4,59 EUR ea.*
from 20 pcs. 4,31 EUR ea.*
from 40 pcs. 4,07 EUR ea.*
Ask for a rebate from 350 pcs.
Available: 31 348 pcs.
Bestseller icon CSN-32 neodymium pot magnet Ø 32 mm with countersunk hole, holds approx. 30 kg,
CSN-32
neodymium pot magnet Ø 32 mm with countersunk hole, holds approx. 30 kg,
Bestseller icon CSN-32 neodymium pot magnet Ø 32 mm with countersunk hole, holds approx. 30 kg,
1 pc. 6,49 EUR ea.*
from 3 pcs. 5,75 EUR ea.*
from 10 pcs. 5,08 EUR ea.*
from 20 pcs. 4,76 EUR ea.*
from 40 pcs. 4,47 EUR ea.*
Ask for a rebate from 200 pcs.
Available: 42 760 pcs.
ZTN-32 neodymium pot magnet Ø 32 mm with counterbore hole, holds approx. 23 kg,
ZTN-32
neodymium pot magnet Ø 32 mm with counterbore hole, holds approx. 23 kg,
ZTN-32 neodymium pot magnet Ø 32 mm with counterbore hole, holds approx. 23 kg,
1 pc. 5,38 EUR ea.*
from 3 pcs. 4,72 EUR ea.*
from 10 pcs. 4,13 EUR ea.*
from 20 pcs. 3,85 EUR ea.*
from 40 pcs. 3,60 EUR ea.*
Ask for a rebate from 180 pcs.
Available: 2 968 pcs.
TCN-40 neodymium pot magnet Ø 40 mm with screw socket, holds approx. 55 kg, thread M6
TCN-40
neodymium pot magnet Ø 40 mm with screw socket, holds approx. 55 kg, thread M6
TCN-40 neodymium pot magnet Ø 40 mm with screw socket, holds approx. 55 kg, thread M6
1 pc. 9,20 EUR ea.*
from 3 pcs. 8,18 EUR ea.*
from 10 pcs. 7,26 EUR ea.*
from 20 pcs. 6,82 EUR ea.*
from 40 pcs. 6,42 EUR ea.*
Ask for a rebate from 180 pcs.
Available: 45 103 pcs.
GTN-40 Neodymium pot magnet Ø 40 mm with threaded stud, holds approx. 45 kg, thread M8,
GTN-40
Neodymium pot magnet Ø 40 mm with threaded stud, holds approx. 45 kg, thread M8,
GTN-40 Neodymium pot magnet Ø 40 mm with threaded stud, holds approx. 45 kg, thread M8,
1 pc. 8,13 EUR ea.*
from 3 pcs. 7,28 EUR ea.*
from 10 pcs. 6,51 EUR ea.*
from 20 pcs. 6,14 EUR ea.*
from 40 pcs. 5,81 EUR ea.*
Ask for a rebate from 280 pcs.
Available: 12 899 pcs.
Bestseller icon GTNG-43 neodymium magnet system Ø 43 mm black rubber-coated with threaded stud, holds approx. 10 kg, thread M4
GTNG-43
neodymium magnet system Ø 43 mm black rubber-coated with threaded stud, holds approx. 10 kg, thread M4
Bestseller icon GTNG-43 neodymium magnet system Ø 43 mm black rubber-coated with threaded stud, holds approx. 10 kg, thread M4
1 pc. 5,32 EUR ea.*
from 3 pcs. 4,65 EUR ea.*
from 10 pcs. 4,05 EUR ea.*
from 20 pcs. 3,76 EUR ea.*
from 40 pcs. 3,50 EUR ea.*
Ask for a rebate from 160 pcs.
Available: 7 561 pcs.
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